Accessibility options

Switch to preferred accessibility theme:


Increase or decrease the text size:

  • Internet Explorer: View > Text Size > Largest

Keyboard navigation and access keys:

  • A - Accessibility options
  • 0 - Skip navigation
  • 1 - Home
  • 2 - Alexandrite chapters
  • 3 - Alexandrite directory
  • 4 - Alexandrite forums
  • 5 - Alexandrite gemstones
  • 6 - Alexandrite localities
  • 7 - Contact information
  • 8 - About Alexandrite Guide
  • 9 - Sitemap
  • Press ALT + Access Key, then ENTER.

Close

Alexandrite

Tsarstone collectors guide

Strong Change Natural Alexandrite 10.20cts.

Dark greenish-brown in daylight and slightly pinkish red under incandescent light, the color change is excellent. For an alexandrite, the stone is quite clean and well cut. Alexandrites this large are very rare.

Strong Change Natural Alexandrite 10.20cts.
Natural Alexandrite Oval 10.2 cts Natural Alexandrite Oval 10.2 cts

Grade Score 8 / 10

Color
Very good (4/5)
Cut
Good (3/5)
Carat
Very large (5/5)
Clarity
Exceptional (5/5)
Rarity
Extremely rare (5/5)

Price information

Availability information

Detail identification and grading report
Identification
Type: Natural
Species: Chrysoberyl
Variety: Alexandrite
Origin: Tunduru, Ruvuma, Ruvuma Region, Tanzania
Hardness: 8.5
Density: 3.75
RI-1: 1.741
RI-2: 1.76
Enhancements
Variety of work: Faceted
Designation: A (Not currently known to be enhanced)
Color
Color light source: Cool daylight
Color description: vstbG*8/2 (very dark very strongly bluish green)
Phenomena: Pleochroism Change of color (Alexandrite effect) Strong
Color phenomena: slp/R*6/4 (medium dark slightly purplish red)
Clarity
Clarity type: Eye clean (Type I)
Transparency: Transparent
Cut
Shape: Oval
Cut style: Step
Symmetry: Good
Brilliance: Poor
Polish: Exceptional
Size
Width: 10.90 mm
Length: 15.80 mm
Depth: 7.20 mm
Weight: 10.20 cts
Page 62 of 98 Back to Top << >>
Bibliographic details
Page title Natural Alexandrite Oval 10.2 cts
Author David Weinberg
Website title Alexandrite Tsarstone Collectors Guide
Date published 03 July 2010 06:06 UTC
Date accessed 25 July 2014 15:40 UTC
Permanent link http://www.alexandrite.net/viewpage.html?id=ALX-001-00008
AMA style
David Weinberg. "Natural Alexandrite Oval 10.2 cts". In Alexandrite Tsarstone Collectors Guide. July 03, 2010, 06:06 UTC. Available at: http://www.alexandrite.net/viewpage.html?id=ALX-001-00008. Accessed July 25, 2014.
APA style
"Natural Alexandrite Oval 10.2 cts". (2010, July 03). In Alexandrite Tsarstone Collectors Guide. Retrieved 15:40, July 25, 2014, from http://www.alexandrite.net/viewpage.html?id=ALX-001-00008.
Bluebook style
"Natural Alexandrite Oval 10.2 cts", http://www.alexandrite.net/viewpage.html?id=ALX-001-00008 (last visited July 25, 2014).
Bluebook: Harvard JOLT style
See Alexandrite Tsarstone Collectors Guide, "Natural Alexandrite Oval 10.2 cts", http://www.alexandrite.net/viewpage.html?id=ALX-001-00008 (Extremely rare Alexandrite (Chrysoberyl) Oval 10.2cts from Tanzania (Tunduru)) (as of Jul. 25, 2014, 15:40 GMT).
CBE/CSE style
David Weinberg. "Natural Alexandrite Oval 10.2 cts". In Alexandrite Tsarstone Collectors Guide. 2010 Jul 03, 06:06 UTC.[Internet], Alexandrite Tsarstone Collectors Guide; 2010 Jul 03, 06:06 UTC [cited 2014 Jul 25]. Available from: http://www.alexandrite.net/viewpage.html?id=ALX-001-00008.
Chicago style
David Weinberg, "Natural Alexandrite Oval 10.2 cts", http://www.alexandrite.net/viewpage.html?id=ALX-001-00008, (accessed July 25, 2014).
MLA style
"Natural Alexandrite Oval 10.2 cts". Alexandrite Tsarstone Collectors Guide. 03 Jul 2010, 06:06 UTC. 25 Jul 2014 http://www.alexandrite.net/viewpage.html?id=ALX-001-00008
MHRA style
David Weinberg, "Natural Alexandrite Oval 10.2 cts", Alexandrite Tsarstone Collectors Guide, 03 July 2010, 06:06 UTC, http://www.alexandrite.net/viewpage.html?id=ALX-001-00008 [accessed 25 July 2014].
Close options details